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Articles 31 - 39 of 39
Full-Text Articles in Entire DC Network
Information Content Of Prey Odor Plumes: What Do Foraging Leach's Storm Petrels Know?, Larry Clark, Pankaj Shah
Information Content Of Prey Odor Plumes: What Do Foraging Leach's Storm Petrels Know?, Larry Clark, Pankaj Shah
Larry Clark
Electrophysiological responses to odor have been recorded for concen trations as low as 0.01 ppm for Manx shearwaters Puffinus puffinus and Black-footed Albatrosses Diomedea nigripes, indicating that relative to most birds, procellariiforms have a keen sense of smell (Wenzel and Sieck 1972, cf.clark 1991; Clark and Smeraski 1990; Clark and Mason 1989). Such acuity is not unexpected, given the extensive development of the olfactory anatomy of these species (Bang and Wenzel 1986). Field observations indi cate that Procellariiformes use their sense of smell to locate food (Grubb 1972; Hutchison and Wenzel 1980; Lequette, Verheyden and Jouventin 1989). -_ However, it …
Nf91-16 Removing Smoke Odors From Clothing, Rose Marie Tondl
Nf91-16 Removing Smoke Odors From Clothing, Rose Marie Tondl
University of Nebraska-Lincoln Extension: Historical Materials
This NebFact discusses proper removal of smoke odors from clothing.
Olfactory Discrimination Of Plant Volatiles By The European Starling, Larry Clark, J Russell Mason
Olfactory Discrimination Of Plant Volatiles By The European Starling, Larry Clark, J Russell Mason
Larry Clark
Passerine species that re-use nest sites often incorporate fresh green vegetation into their nests, a behaviour consistent with the possibility that some birds may use chemical properties of plants to counteract the selective potential of parasites and pathogens. We tested adult starlings (Sturnus vulgaris) for their physiological capacity and behavioural ability to detect and discriminate between volatiles emitted from plant material. Multi-unit electrophysiological recordings from olfactory nerves of adults indicated that strong responses were reliably elicited by volatiles from six plant species. After pairings of plant volatiles with gastro-intestinal malaise, birds exhibited conditioned avoidance in behavioural experiments, and made all …
Olfactory Responses Of Aquatic And Terrestrial Salamanders To Air And Waterborne Stimuli, Adam Artz, Wayne Silver, J Russell Mason, Larry Clark
Olfactory Responses Of Aquatic And Terrestrial Salamanders To Air And Waterborne Stimuli, Adam Artz, Wayne Silver, J Russell Mason, Larry Clark
Larry Clark
Electro-olfactograms (EOGs) were used to assess olfactory responding by aquatic larval and terrestrial adult tiger salamanders (Ambystoma tigrinum) to airborne volatile compounds, and volatile and non-volatile compounds in aqueous solution. Both forms of salamander showed saturation effects to presentations of airborne stimuli (Fig. 2). Saturation was not observed, however, to stimulus presentations in aqueous solution (Figs. 2, 3). When threshold values and concentration-response curve parameters were compared, non-volatile amino acids in solution were more potent stimuli for larvae while airborne volatiles were more potent stimuli for adults (Tables 1, 2). We infer that metamorphosis in the tiger salamander is accompanied …
Sective Deficits In The Sense Of Smell Caused By Chemical Modification Of Olfactory Epithelium, J Russell Mason, Larry Clark, Thomas Morton
Sective Deficits In The Sense Of Smell Caused By Chemical Modification Of Olfactory Epithelium, J Russell Mason, Larry Clark, Thomas Morton
Larry Clark
A chemically selective procedure for covalent modification of Schiff base-forming binding sites in proteins is demonstrated in vitro. In vivo studies show that the same procedure produces a selective anosmia ("odor blindness") when applied to the olfactory epithelia of experimental animals. Surgical experiments confirm that the sense of smell is specifically affected.
G77-378 Odor Controls As Affected By Nuisance Laws, John M. Sweeten, Donald R. Levi
G77-378 Odor Controls As Affected By Nuisance Laws, John M. Sweeten, Donald R. Levi
University of Nebraska-Lincoln Extension: Historical Materials
Confined feeding operations are subject to both public and private air pollution regulation. Public regulation is focused primarily on preventing measurable levels of emissions to the atmosphere. On the other hand, subjective human tolerance levels serve as the basis for private regulation of the environment. The impact of public and private regulatory schemes on feedlots will be reviewed in this NebGuide.
Judging Quality In Dairy Products, P. A. Downs
Judging Quality In Dairy Products, P. A. Downs
Nebraska Agricultural Experiment Station: Historical Circulars
In the dairy industry increasing attention is being paid to the question of quality of products. The well established system of buying and selling butter and cheese on the basis of quality by score or grade is practiced in the principal markets of the world. The other dairy products, while not marketed by score, are receiving more and more attention in this respect. As more information becomes available and the judging better standardized, other dairy products will doubtless be sold by grade.
Judging Quality In Dairy Products, P. A. Downs
Judging Quality In Dairy Products, P. A. Downs
Nebraska Agricultural Experiment Station: Historical Circulars
In the dairy industry increasing attention is being paid to the question of quality of products. The well established system of buying and selling butter and cheese on the basis of quality by score or grade is practiced in the principal markets of the world. The other dairy products, while not marketed by score, are receiving more and more attention in this respect. As more information becomes available and the judging better standardized, other dairy products will doubtless be sold by grade.
Judging Quality In Dairy Products, P. A. Downs
Judging Quality In Dairy Products, P. A. Downs
Nebraska Agricultural Experiment Station: Historical Circulars
In the dairy industry increasing attention is being paid to the question of quality of products. The well established system of buying and selling butter and cheese on the basis of quality by score or grade is practiced in the principal markets of the world. The other dairy products, while not marketed by score, are receiving more and more attention in this respect. As more information becomes available and the judging better standardized, other dairy products will doubtless be sold by grade.